1966 Chevrolet Biscayne Differentials

Name: Grip LS Traction System
Brand: Powertrax
SKU: LS201028
Price: 463.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1966 Chevrolet Biscayne in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 Chevrolet Biscayne looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Rear Differential Cover Gaskets, and Rear Housing Cover Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Felpro, and Valvoline. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Felpro and Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 3,479 reviews and a solid 4 star average, you can shop with confidence knowing other Chevrolet Biscayne owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Chevrolet Biscayne Differential at Advance Auto Parts is around $202.22, with a range that starts at $2.79 and goes up to $994.99. With 159 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, Multi-Purpose Bearing, and 3 Qt – 80W90 Conventional Gear Oil with Posi Additive start at just $10.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1966 Chevrolet Biscayne in peak condition, inside and out.

Looking for the perfect Differential for your 1966 Chevrolet Biscayne? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Chevrolet Biscayne. Whether you’re driving a 1966 model or another popular model year like 1963, 1964, 1965, 1967, 1968, 1969, 1970, 1971, and 1972, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1966 Chevrolet Biscayne Differentials

from

$463.99

For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!

from

$21.99

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$219.99

Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.

Product Features:

Fits GM 8.2″
25 spline
1310 u-joint size
3.219″ snap ring span
1.062″ cap diameter
Outside snap ring design
U-bolt style

from

$399.99

GM 12P DURA GRIP case, bare, 4.10 & up, 30spline & 33spline.

Product Features:

Fits GM 12 bolt passenger car with 33 spline axles
Does not include spider gears

from

$109.99

Yukon Carrier Installation Kits are a convenient and low-cost solution for carrier changes in cases where one is upgrading to a positraction limited slip differential, a mechanical locker, or an air operated locker. These kits contain carrier bearings and races and a carrier shim kit.

Product Features:

Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
Includes carrier bearings and races and “super” carrier shim kit

from

$296.99

Product Features:

Spider gear kit
Fits GM 8.2″ open differential
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

from

$449.99

Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:

Fits 1955-1964 GM passenger car
8.40″ ring gear diameter
17 spline pinion
10 ring gear bolts
3.08 ratio

from

$4.99

Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.

from

$551.99

For vehicles that are driven daily, the Power Trax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.

Product Features:

The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
Power Trax offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
Power Trax ia an Extreme Traction System

from

$59.99

Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Product Features:

Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
Interlocking design makes installation much easier

from

$98.99

Product Features:

MINI SPOOL GM 10 BOLT 8 1/2″ 28 SPLINE

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$451.99

Yukon Gear & Axle offers an extensive line of general replacement and high-performance axles for passenger car, truck and SUV applications. High quality alloys and the latest in heat-treating technologies provide a stronger-than-stock axle for off-road, on the street, or at the track.

Product Features:

17 spline
5 lug
30.25″ long
Fits 1958-1964 GM passenger car
Right hand side

from

$109.99

Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:

Pinion Redi-sleeve
Fits GM 12 bolt passenger car, 12 bolt truck and 1963-1979 Corvette

from

$4.99

3/8″ ring gear bolt washer for GM 12 bolt car & truck, 8.2 BOP & more.

Product Features:

Ring gear bolt washer for GM 12 bolt car and truck, 1955-1964 passenger car, 1963-1979 Corvette and 8.2″ Buick, Oldsmobile and Pontiac

from

$34.99

Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:

Pinion gear thrust washer
Fits GM 8.2″ and 1963-1979 Corvette

from

$9.99

5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:

Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
1/2″ head

from

$73.99

Yukon Minimum Installation Kits are a low-cost solution for ring and pinion gear changes in newer vehicles where the bearings can be reused. Kits include all high-quality components for a smooth differential set up.

Product Features:

Fits 1955-1964 GM truck and passenger car
Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.

from

$25.99

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$194.99

Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools are recommended for vehicles with large tires or high horsepower.

Product Features:

Fits GM 12 bolt passenger car and truck
Provides 100% traction to both wheels at all times
Installs into standard open carrier case

from

$207.99

This kit uses Koyo bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and br

Product Features:

Fits GM 8.2″
Uses Koyo bearings and races
Included are carrier bearings and races, pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.

from

$7.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$111.99

Product Features:

GM10 BOLT 8.5″ 28 SPL INTERNAL KIT (OPEN)

from

$25.99

Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.

Product Features:

For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond.
The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by limited warranty.
Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.

from

$21.49

Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047-inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1965-1972 Chevrolet/GM passenger car 12 bolt 8.875-inch ring gear 1965-72 Passenger Car.

Product Features:

.047″ thick cellulose/nitrile composite gasket material
Precision die cut
Reusable

from

$7.99

High-quality Differential Component Shim

Product Features:

SHIM KIT FITS-8.25-F7.5-AMC20-GM0

from

$99.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes three quarts of Redline Shockproof oil

from

$13.99

Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:

Pinion seal
Fits GM 12 bolt passenger car and truck and 1963-1979 Corvette

from

$17.29

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

Popular 1966 Chevrolet Biscayne Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Covers

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Lock Assemblies

Differential Spools

Differential Carrier Bearings

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Pinion Shafts

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Pinion Gear Washers

Differential Ring and Pinion Kits

Differential Carrier Bearing Races

Differential Lock Washers

Differential Clutch Pack Clips

Most Popular Differential Covers for 1966 Chevrolet Biscaynes

Enhance your 1966 Chevrolet Biscayne with one of the 5 Differential Covers we have in stock, starting at just $62.99.

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from

$74.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:

Fits GM 8.2″, 8.5″ and 8.6″
Chrome

from

$255.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design made from aluminum and polished to perfection.

Product Features:

Fits GM 8.5″ and 8.6″
Finned polished aluminum

from

$123.99

These Yukon replacement diff covers are a direct bolt-on.

Product Features:

Fits GM 8.2″, 8.5″ and 8.6″
Steel

from

$278.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design made from aluminum and polished to perfection.

Product Features:

Fits GM 12 bolt passenger car
Finned polished aluminum

from

$62.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:

Fits GM 12 bolt passenger car
Chrome

Best-Selling 1966 Chevrolet Biscayne Rear Differential Cover Gaskets

Upgrade your Biscayne with one of our 4 best-selling Rear Differential Cover Gaskets, earning an average 4.75 stars rating across 196 reviews.

show more show less

from

$21.49

.047″ thick cellulose/nitrile composite gasket material
Precision die cut
Reusable

from

$10.99

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Unsurpassed quality you can trust
Validated for fit, form and function
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

from

$25.99

Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1965-1970 Buick, Olds, Pontiac, 10 bolt 8.20 inch ring gear.

Product Features:

.047″ thick cellulose/nitrile composite gasket material
Precision die cut
Reusable

from

$10.99

12P cover gasket.

Product Features:

Cover gasket
Fits GM 12 bolt passenger car

Top-Quality Rear Housing Cover Gaskets for 1966 Chevrolet Biscaynes

Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for Chevrolet Biscaynes and enjoy top-notch performance from $8.29.

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from

$8.49

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Unsurpassed quality you can trust
Validated for fit, form and function
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

from

$8.29

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

Top Picks for 1966 Chevrolet Biscayne Differential Oil

Invest in one of our 6 durable Differential Oil for your 1966 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

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from

$12.49

Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:

FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations

from

$57.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

from

$44.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:

Includes three quarts of conventional oil

from

$148.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

from

$99.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes three quarts of Redline Shockproof oil

from

$137.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes four quarts of Redline Shockproof oil

Top-Rated Differential Bearings for 1966 Chevrolet Biscaynes

Make a smart move for your 1966 Chevrolet Biscayne with products all priced from $6.99 to $53.99.

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from

$16.99

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN — Engineered to meet OE specifications
COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$11.99

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$27.99

Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.

Product Features:

CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN: Engineered to meet OE specifications
COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$21.99

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$53.99

Cross pin bolt for GM 8.2″ and 1963-1979 Corvette
For OEM positraction applications only

from

$28.99

Cross pin bolt for GM 12 bolt passenger car and truck
For OEM positraction applications only

from

$10.99

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$6.99

Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 bolt car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS

Top-Rated Differential Brands For Your 1966 Chevrolet Biscayne

When it comes to finding the perfect Differential for your 1966 Chevrolet Biscayne, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including Valvoline, Felpro, and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $8.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1966 Chevrolet Biscayne, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1966 Chevrolet Biscayne Differentials

If you’re looking for a top-quality Differential for your 1966 Chevrolet Biscayne, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1966 Chevrolet Biscayne come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $12.49

(446)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

“seems to be ok”

Top-Quality Felpro 1966 Chevrolet Biscayne Differentials

For those in search of a high-quality Differential for their 1966 Chevrolet Biscayne, Advance Auto Parts offers a great selection of Felpro Differentials. With 2 Felpro Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $8.49, with an average price of $9.74, giving you a range of options to suit your budget. Backed by over 202 customer ratings and an average rating of 4.6 stars, Felpro Differentials provide both reliability and excellent performance. Choosing a Felpro Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $10.99

(195)

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

“Worked as described”

from $8.49

(7)

Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket

“good”

FAQs for 1966 Chevrolet Biscayne Differentials

What are the best-selling Differentials for 1966 Chevrolet Biscaynes?

Out of 159 Differentials that fit 1966 Chevrolet Biscaynes, the following parts are the top sellers:

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (5185823) – $10.99
Multi-Purpose Bearing (3275973) – $16.99
3 Qt – 80W90 Conventional Gear Oil with Posi Additive (11645418) – $57.99

What’s the price range for 1966 Chevrolet Biscayne Differentials?

The prices of Differentials for the 1966 Chevrolet Biscayne range from $2.79 up to $994.99 for the most premium parts.

What is the average price of a Differential for a 1966 Chevrolet Biscayne?

The average price for Differentials for the 1966 Chevrolet Biscayne is $202.22. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other Chevrolet Biscayne model years?

Yes, we carry Differentials for 13 model years of Chevrolet Biscaynes between 1958 and 1972. The following model years are the most popular for Differential purchases: 1972, 1971, 1970, 1969, 1968, 1967, 1965, 1964, and 1963.

What are the cheapest Differentials for my 1966 Chevrolet Biscayne?

The cheapest 1966 Chevrolet Biscayne Differentials we carry are:

Differential Crush Sleeve (10715252) – $2.79
Differential Cover Bolt (50333283) – $2.99
Dana 44 Pinion Gear Thrust Washer (11642998) – $4.99
3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More (11642511) – $4.99
Crush sleeve (11643168) – $5.99

Does Advance Auto Parts sell Differentials for any other 1966 Chevrolet models?

Yes. We stock Differentials for 21 other popular 1966 Chevrolet models. Some of the most popular are 1966 Impala Differentials, 1966 Malibu Differentials, 1966 Corvette Differentials, 1966 Caprice Differentials, and 1966 El Camino Differentials.

What types of Differentials do you sell for my 1966 Chevrolet Biscayne?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1966 Chevrolet Biscayne:

Can I get help with 1966 Chevrolet Biscayne Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Differentials and more.

What is your return policy for Chevrolet Biscayne Differentials?

Advance Auto Parts keeps returns simple. For new Chevrolet Biscayne Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1966 Chevrolet Biscayne Differentials

Powertrax – Grip LS Traction System (Part No.LS201028)

National – Tapered Roller Bearing Cone (Part No.LM501349)

Yukon Gear – Yoke for GM 8.2" with A 1310 U/Joint Size, This Yoke Uses U-Bolts (Part No.41094)

Yukon Gear – Dura Grip Case, GM 12 Bolt Car, 4 Series (Part No.20105)

Yukon Gear – 8.5" & 8.2" GM carrier installation kit (Part No.57008)

USA Standard Gear – Differential Spider Gear Kits (Part No.39025)

Yukon Gear – High Performance Ring & Pinion Gear Set For GM Chevy 55P In A 3.08 Ratio (Part No.24141)

Motive Gear – Differential Crush Sleeve (Part No.1234726)

Powertrax – Differential Lock Assembly (Part No.9207883005)

Yukon Gear – Super Carrier Shim Kit for Ford 7.5", GM 7.5", 8.2" & 8.5 (Part No.55001)

Motive Gear – Differential Mini Spool (Part No.MS10-28)

Yukon Gear – 1541H Alloy Right Hand Rear Axle for ’58-’64 GM 55P (Part No.21632)

Yukon Gear – 12P, 12T, CI Vet, & 55GM 8460N Redi Sleeve Yoke Saver (Part No.30225)

Yukon Gear – 3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More (Part No.33347)

Yukon Gear – Standard Open/Positraction Pinion Gear and Thrust Washer for 8.2" GM CI Corvette (Part No.33305)

Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Yukon Gear – Minor Install Kit for GM Chevy 55P and 55T Differential (Part No.12047)

National – Tapered Roller Bearing Cone (Part No.M802048)

Yukon Gear – Mini Spool for GM 12 Bolt Car & Truck with 30 Spline Axles (Part No.32227)

USA Standard Gear – Differential Bearing Kit (Part No.58049)

Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

Motive Gear – Differential Internal Carrier Gear Kit (Part No.GM10BI)

Richmond Gear – Differential Pinion Shaft (Part No.CSPGM82)

Mr. Gasket – Differential Gasket (Part No.84A)

Motive Gear – Differential Pinion Shim Kit (Part No.1100)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Yukon Gear – 12T, 12P, & CI Vette Pinion Seal (Part No.30187)

National – Multi-Purpose Seal (Part No.6818)

Yukon Gear – Chrome Cover for 8.6", 8.5" and 8.2" GM Rear (Part No.32017)

Yukon Gear – Polished Aluminum Cover for 8.6", 8.2" and 8.5" GM Rear (Part No.32030)

Yukon Gear – Steel Cover for GM 8.2" & 8.5" Rear (Part No.32332)

Yukon Gear – Polished Aluminum Cover for GM 12 Bolt Car (Part No.32101)

Yukon Gear – Chrome Cover for GM 12 Bolt Car (Part No.32011)

Mr. Gasket – Differential Gasket (Part No.84A)

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

Mr. Gasket – Differential Gasket (Part No.84)

Yukon Gear – GM 12 Bolt Passenger Car Cover Gasket (Part No.23014)

Felpro – Axle Housing Cover Gasket Oval Shaped 12 Bolt Hole Gasket (Part No.RDS 55029)

Victor Reinz – Axle Housing Cover Gasket (Part No.71-14827-00)

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

Yukon Gear – Redline Synthetic "Shock Proof" Oil with Positraction Additive – 4 Quarts (Part No.15005)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

National – Multi-Purpose Bearing (Part No.A-6)

National – Bearing Race (Part No.LM501314)

National – Multi-Purpose Bearing (Part No.A-36)

National – Tapered Roller Bearing Cone (Part No.LM501349)

Yukon Gear – Positraction Cross Pin Bolt for 8.2" GM and Cast Iron Corvette (Part No.33345)

Yukon Gear – Positraction Cross Pin Bolt for GM 12 Bolt Car and Truck (Part No.33344)

Schaeffler – Cup (Part No.M88010)

Yukon Gear – Cross Pin Bolt (Part No.33067)